TY - JOUR AU - A. I. Kozko TI - On the order of the best approximation in spaces with asymmetric norm and sign-sensitive weight on classes of differentiable functions JO - Izvestiya. Mathematics PY - 2002 SP - 103 EP - 131 VL - 66 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM2_2002_66_1_a4/ LA - en ID - IM2_2002_66_1_a4 ER -